A new genus, Unicarinata Sheng, Li & Sun, gen. nov. , of the ichneumonid subfamily Ctenopelmatinae, is described for one species, ventrialis sp. The genus similar to Syntactus Förster, 1869 or Pion Schiødte, 1839, and different in having propodeum with only median transverse carina, areas lateromedian longitudinal carinae entirely absent, tergite 1 straight, 2 shagreened, impunctate, ovipos...

Two species of genus Anisotacrus Schmiedeknecht, 1913, A. externus Sheng & Sun, sp. nov. and senticosus , collected from the Natural Reserve, Huairou, Beijing, are described illustrated. A key to Eastern Palaearctic is provided.

Four new species of the genus Lathrolestes Förster, 1869 are discovered from South Korea: Lathrolestes redimiculus Reshchikov & Lee, sp. n., Lathrolestes sexmaculatus Reshchikov & Lee, sp. n., Lathrolestes taebaeksanensis Reshchikov & Lee, sp. n., and Lathrolestes ungnyeo Reshchikov & Lee, sp. n. This is the first record of the genus from South Korea.